/Engine/Plugins/Runtime/LevelStreamingPersistence/Source/LevelStreamingPersistence/Public/LevelStreamingPersistenceManager.h
Gets the property value and converts it to a string if found, returns true on success.
bool GetPropertyValueAsString ( const [FString](API\Runtime\Core\Containers\FString) & InObjectPathName, const [FName](API\Runtime\Core\UObject\FName) InPropertyName, [FString](API\Runtime\Core\Containers\FString) & OutPropertyValue )